Groups Parameters Control group Diabetic group Diabetic group with nifedipine
Resting 27.10±6.02 110.15±13.30 59.65± 7.583
t. test   22.292 16.77
P. Value   P < 0.05 P < 0.05
Peak 1 (n M) in the presence of (1 mM) external calcium 428.650 ±106.173 456.950 ±114.466 448.500 ±103.977
t. test   -0.722 1.101
P. Value   P  >  0.475 P  >   0.285
Phase 2 in the presence of external calcium 290.750 ±31.595 874.100 ±111.098 600.550 ±145.055
t. test   2.586 9.018
P. Value   P   < 0.05 P     < 0.05
Peak 1 in the absence of external calcium 252.750 ±40.804 258.050 ±42.297 254.200 ±43.534
t. test   - 0.403 1.980
P. Value   P    0.689 P    0.062
Phase 2 in the absence of external calcium 72.550 ±12.626 162.450 ±23.302 161.500 ±22.441
t. test   15.170 0.903
P. Value   P < 0.05 P > 0.378
Table 3: Platelet cytosolic free calcium (nM) in all studied groups (Mean±SD).